diff options
Diffstat (limited to '')
| -rw-r--r-- | bin/modem.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/bin/modem.c b/bin/modem.c index 4392e071..75517159 100644 --- a/bin/modem.c +++ b/bin/modem.c @@ -19,7 +19,6 @@ #include <stdlib.h> #include <sys/ioctl.h> #include <sys/wait.h> -#include <sysexits.h> #include <termios.h> #include <unistd.h> @@ -46,31 +45,31 @@ int main(int argc, char *argv[]) { for (int opt; 0 < (opt = getopt(argc, argv, "r:"));) { switch (opt) { break; case 'r': baudRate = strtoul(optarg, NULL, 10); - break; default: return EX_USAGE; + break; default: return 1; } } - if (argc - optind < 1) return EX_USAGE; + if (argc - optind < 1) return 1; error = tcgetattr(STDIN_FILENO, &saveTerm); - if (error) err(EX_IOERR, "tcgetattr"); + if (error) err(1, "tcgetattr"); atexit(restoreTerm); struct termios raw = saveTerm; cfmakeraw(&raw); error = tcsetattr(STDIN_FILENO, TCSADRAIN, &raw); - if (error) err(EX_IOERR, "tcsetattr"); + if (error) err(1, "tcsetattr"); struct winsize window; error = ioctl(STDIN_FILENO, TIOCGWINSZ, &window); - if (error) err(EX_IOERR, "TIOCGWINSZ"); + if (error) err(1, "TIOCGWINSZ"); int pty; pid_t pid = forkpty(&pty, NULL, NULL, &window); - if (pid < 0) err(EX_OSERR, "forkpty"); + if (pid < 0) err(1, "forkpty"); if (!pid) { execvp(argv[optind], &argv[optind]); - err(EX_NOINPUT, "%s", argv[optind]); + err(1, "%s", argv[optind]); } byte c; @@ -81,22 +80,22 @@ int main(int argc, char *argv[]) { while (usleep(8 * 1000000 / baudRate), 0 < poll(fds, 2, -1)) { if (fds[0].revents) { ssize_t size = read(STDIN_FILENO, &c, 1); - if (size < 0) err(EX_IOERR, "read(%d)", STDIN_FILENO); + if (size < 0) err(1, "read(%d)", STDIN_FILENO); size = write(pty, &c, 1); - if (size < 0) err(EX_IOERR, "write(%d)", pty); + if (size < 0) err(1, "write(%d)", pty); } if (fds[1].revents) { ssize_t size = read(pty, &c, 1); - if (size < 0) err(EX_IOERR, "read(%d)", pty); + if (size < 0) err(1, "read(%d)", pty); if (!size) break; size = write(STDOUT_FILENO, &c, 1); - if (size < 0) err(EX_IOERR, "write(%d)", STDOUT_FILENO); + if (size < 0) err(1, "write(%d)", STDOUT_FILENO); } } int status; pid_t dead = waitpid(pid, &status, 0); - if (dead < 0) err(EX_OSERR, "waitpid"); - return WIFEXITED(status) ? WEXITSTATUS(status) : EX_SOFTWARE; + if (dead < 0) err(1, "waitpid"); + return WIFEXITED(status) ? WEXITSTATUS(status) : 1; } |